123. If you le ball with a d cm away fro virtual? Is it u

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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123. If you look at yourself in a shiny Christmas tree ball with a diameter of 9.0 cm when your face is 30.0 cm away from it, where is your image? Is it real or virtual? Is it upright or inverted?

124. A dentist wants a small mirror that, when 2.20 cm from a tooth, will produce an upright image with magnification of 4.5. What kind of mirror must be used and what must its radius of curvature be?

125. You produce an image of the Sun on a screen, using a thin lens whose focal length is 15.0 cm. What is the diameter of the image?

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No graphs or diagrams are present in the text.
Transcribed Image Text:Sure, here is the transcribed text: --- 123. If you look at yourself in a shiny Christmas tree ball with a diameter of 9.0 cm when your face is 30.0 cm away from it, where is your image? Is it real or virtual? Is it upright or inverted? 124. A dentist wants a small mirror that, when 2.20 cm from a tooth, will produce an upright image with magnification of 4.5. What kind of mirror must be used and what must its radius of curvature be? 125. You produce an image of the Sun on a screen, using a thin lens whose focal length is 15.0 cm. What is the diameter of the image? --- No graphs or diagrams are present in the text.
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